i've used Mobil 1 0W-40 and Castrol 0W-30 on all my oil changes.....every 5k miles with no issues.
by the way...my oil reading is always 3/4 full after every oil change(7 quarts)....never below or above.
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2006 E90 330i Jet Black | 20" WORK VS-XX | FK452 | H&R Sport on Koni Yellow | REMUS QUAD
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